Portable rack



FIG. 1 is a perspective view of the portable rack of my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a side elevational view thereof.

FIG. 5 is an elevational view of the side opposite to that shown in FIG.4.

FIG. 6 is an top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

CLAIM The ornamental design for a portable rack, as shown and described.